Analog Peripherals
10 or 12-Bit SAR ADC

• 12-bit (C8051F040/1) or
• 10-bit (C8051F042/3/4/5/6/7) resolution
• ± 1 LSB INL, guaranteed no missing codes
• Programmable throughput up to 100 ksps
• 13 External Inputs; single-ended or differential
• SW programmable high voltage difference amplifier
• Programmable amplifier gain: 16, 8, 4, 2, 1, 0.5
• Data-dependent windowed interrupt generator
• Built-in temperature sensor

8-bit SAR ADC (C8051F040/1/2/3 only)

• Programmable throughput up to 500 ksps
• 8 External Inputs, single-ended or differential
• Programmable amplifier gain: 4, 2, 1, 0.5

-Two 12-bit DACs (C8051F040/1/2/3 only)

• Can synchronize outputs to timers for jitter-free waveform generation

Three Analog Comparators

• Programmable hysteresis/response time

Voltage Reference
Precision VDD Monitor/Brown-Out Detector

On-Chip JTAG Debug & Boundary Scan

• On-chip debug circuitry facilitates full- speed, non-intrusive in-circuit/in-system debugging
• Provides breakpoints, single-stepping, watchpoints, stack monitor; inspect/modify memory and registers
• Superior performance to emulation systems using ICE-chips, target pods, and sockets
• IEEE1149.1 compliant boundary scan
• Complete development kit

High-Speed 8051 μC Core

• Pipelined instruction architecture; executes 70% of instruction set in 1 or 2 system clocks
• Up to 25 MIPS throughput with 25 MHz clock
• 20 vectored interrupt sources

Memory

• 4352 bytes internal data RAM (4 k + 256)
• 64 kB (C8051F040/1/2/3/4/5) or 32 kB (C8051F046/7) Flash; in-system programmable in 512-byte sectors
• External 64 kB data memory interface (programmable multiplexed or non-multiplexed modes)

Digital Peripherals

• 8 byte-wide port I/O (C8051F040/2/4/6); 5 V tolerant
• 4 byte-wide port I/O (C8051F041/3/5/7); 5 V tolerant Bosch Controller Area Network (CAN 2.0B), hardware SMBus™ (I2C™ Compatible), SPI™, and two UART serial ports available concurrently
• Programmable 16-bit counter/timer array with 6 capture/compare modules
• 5 general purpose 16-bit counter/timers
• Dedicated watch-dog timer; bi-directional reset pin

Clock Sources

• Internal calibrated programmable oscillator: 3 to 24.5 MHz
• External oscillator: crystal, RC, C, or clock
• Real-time clock mode using Timer 2, 3, 4, or PCA

Supply Voltage: 2.7 to 3.6 V

• Multiple power saving sleep and shutdown modes

100-Pin and 64-Pin TQFP Packages Available

• Temperature Range: –40 to +85 °C